Boys' Sweaters

ChevronNavigation chevron icon

Shop Boy’s Sweaters at up to 90% off estimated retail! thredUP has a huge selection of gently used Boy’s Sweaters from brands like Gymboree, Baby Gap or Polo by Ralph Lauren at thredUP.

10,934 items
NFL Size 7

View Product: NFL Size 7

NFL

Size 7
$18.99 $61

$13.29 30% off with

Zara Kids Size 165 cm

View Product: Zara Kids Size 165 cm

Zara Kids

Size 165 cm
$12.99 $64

$9.09 30% off with

Under Armour Size X-Small youth
Price Drop BadgePrice Drop

View Product: Under Armour Size X-Small youth

Under Armour

Size X-Small youth
$9.99 $51

$4.99 50% off with

Wonder Nation Size 5T
Price Drop BadgePrice Drop

View Product: Wonder Nation Size 5T

Wonder Nation

Size 5T
$6.99 $21

$4.89 30% off with

Jumping Beans Size 18 mo

View Product: Jumping Beans Size 18 mo

Jumping Beans

Size 18 mo
$8.99 $20

$5.39 40% off with

Zara Knitwear Size 11

View Product: Zara Knitwear Size 11

Zara Knitwear

Size 11
$8.99 $38

$6.29 30% off with

Growing up Lord & Taylor Size 2T
Price Drop BadgePrice Drop

View Product: Growing up Lord & Taylor Size 2T

Growing up Lord & Taylor

Size 2T
$14.99 $51

$8.99 40% off with

Guess Jeans Size 3-6 mo
Price Drop BadgePrice Drop

View Product: Guess Jeans Size 3-6 mo

Guess Jeans

Size 3-6 mo
$5.99 $41

$4.79 20% off with

Too Sweet Size 3 mo
Price Drop BadgePrice Drop

View Product: Too Sweet Size 3 mo

Too Sweet

Size 3 mo
$6.99 $17

$4.89 30% off with

Assorted Brands Size Small kids

View Product: Assorted Brands Size Small kids

Assorted Brands

Size Small kids
$22.99 $34

$16.09 30% off with

Slazenger Size 13

View Product: Slazenger Size 13

Slazenger

Size 13
$11.99 $20

$9.59 20% off with

Carter's Size 12 mo

View Product: Carter's Size 12 mo

Carter's

Size 12 mo
$8.99 $27

$7.19 20% off with

Baby Gap Size 6-12 mo

View Product: Baby Gap Size 6-12 mo

Baby Gap

Size 6-12 mo
$9.99 $30

$7.99 20% off with

Old Navy Size Medium kids

View Product: Old Navy Size Medium kids

Old Navy

Size Medium kids
$7.99 $20

$6.39 20% off with

Baby Gap Size 18-24 mo

View Product: Baby Gap Size 18-24 mo

Baby Gap

Size 18-24 mo
$11.99 $35

$9.59 20% off with

Baby Gap Size 5

View Product: Baby Gap Size 5

Baby Gap

Size 5
$13.99 $35

$11.19 20% off with

Disney Baby Size 18 mo

View Product: Disney Baby Size 18 mo

Disney Baby

Size 18 mo
$5.99 $14
OshKosh B'gosh Size 5

View Product: OshKosh B'gosh Size 5

OshKosh B'gosh

Size 5
$11.99 $34

$9.59 20% off with

Little Rebels Size 18 mo

View Product: Little Rebels Size 18 mo

Little Rebels

Size 18 mo
$7.99 $14

$6.39 20% off with

Nautica Size 4T

View Product: Nautica Size 4T

Nautica

Size 4T
$11.99 $43

$9.59 20% off with

Batman Size 8

View Product: Batman Size 8

Batman

Size 8
$10.99 $20

$8.79 20% off with

Cat & Jack Size Newborn

View Product: Cat & Jack Size Newborn

Cat & Jack

Size Newborn
$7.99 $17

$6.39 20% off with

H&M Size 4

View Product: H&M Size 4

H&M

Size 4
$7.99 $18

$6.39 20% off with

Crazy 8 Size 10

View Product: Crazy 8 Size 10

Crazy 8

Size 10
$11.99 $25

$9.59 20% off with

Mad Game Size 12 mo

View Product: Mad Game Size 12 mo

Mad Game

Size 12 mo
$7.99 $20

$6.39 20% off with

Cat & Jack Size 8

View Product: Cat & Jack Size 8

Cat & Jack

Size 8
$8.99 $20

$7.19 20% off with

Tommy Hilfiger Size 20

View Product: Tommy Hilfiger Size 20

Tommy Hilfiger

Size 20
$16.99 $64

$13.59 20% off with

Assorted Brands Size 3T

View Product: Assorted Brands Size 3T

Assorted Brands

Size 3T
$13.99 $34

$11.19 20% off with

H&M Size 2

View Product: H&M Size 2

H&M

Size 2
$7.99 $20

$6.39 20% off with

Marvel Size 8

View Product: Marvel Size 8

Marvel

Size 8
$19.99 $41

$15.99 20% off with

Boden Size 3

View Product: Boden Size 3

Boden

Size 3
$16.99 $64

$13.59 20% off with

The Children's Place Size 5T

View Product: The Children's Place Size 5T

The Children's Place

Size 5T
$9.99 $25

$7.99 20% off with

Mad Game Size 2T

View Product: Mad Game Size 2T

Mad Game

Size 2T
$7.99 $20

$6.39 20% off with

Assorted Brands Size 5

View Product: Assorted Brands Size 5

Assorted Brands

Size 5
$13.99 $34

$11.19 20% off with

Polo by Ralph Lauren Size Medium kids

View Product: Polo by Ralph Lauren Size Medium kids

Polo by Ralph Lauren

Size Medium kids
$17.99 $60

$14.39 20% off with

Cat & Jack Size 12

View Product: Cat & Jack Size 12

Cat & Jack

Size 12
$11.99 $20

$9.59 20% off with

Crewcuts Outlet Size 16

View Product: Crewcuts Outlet Size 16

Crewcuts Outlet

Size 16
$11.99 $38

$9.59 20% off with

Marvel Size 2T

View Product: Marvel Size 2T

Marvel

Size 2T
$12.99 $27

$10.39 20% off with

Encrypted Size 3T

View Product: Encrypted Size 3T

Encrypted

Size 3T
$14.99 $34

$11.99 20% off with

Adidas Size 10

View Product: Adidas Size 10

Adidas

Size 10
$15.99 $51

$12.79 20% off with

C9 By Champion Size 8

View Product: C9 By Champion Size 8

C9 By Champion

Size 8
$8.99 $20

$7.19 20% off with

Polo by Ralph Lauren Size 4T

View Product: Polo by Ralph Lauren Size 4T

Polo by Ralph Lauren

Size 4T
$14.99 $53

$11.99 20% off with

Under Armour Size 6

View Product: Under Armour Size 6

Under Armour

Size 6
$22.99 $51

$18.39 20% off with

Polo by Ralph Lauren Size 4T

View Product: Polo by Ralph Lauren Size 4T

Polo by Ralph Lauren

Size 4T
$13.99 $45

$11.19 20% off with

Cat & Jack Size 5T

View Product: Cat & Jack Size 5T

Cat & Jack

Size 5T
$7.99 $21

$6.39 20% off with

Mad Game Size 18 mo

View Product: Mad Game Size 18 mo

Mad Game

Size 18 mo
$7.99 $20

$6.39 20% off with

Chaps Size 6

View Product: Chaps Size 6

Chaps

Size 6
$11.99 $32

$9.59 20% off with

Crewcuts Size 10

View Product: Crewcuts Size 10

Crewcuts

Size 10
$18.99 $61

$15.19 20% off with

Carter's Size 9 mo

View Product: Carter's Size 9 mo

Carter's

Size 9 mo
$10.99 $27

$8.79 20% off with

Gymboree Size 3T

View Product: Gymboree Size 3T

Gymboree

Size 3T
$10.99 $35

$8.79 20% off with